JP2000090539A - Compatible player - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a compatible player capable or performing a sure disk carrying operation and highly cost-effective. SOLUTION: This compatible player is adapted to carry the cartridge of a disk recording medium or a cartridge recording medium inserted from a projected insertion port to a carrying completion position directly above a turntable by a carrier mechanism for carrying the same in the inserting direction and then fixing its on the turntable. The carrier mechanism is provided with a first carrier roller 5 provided in the vicinity of the insertion port, and a second carrier roller 6 disposed in parallel with the first carrier roller 5 and in the deep side of the inserting direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to the use of a disc-shaped recording medium such as a CD (compact disc) and a cartridge recording medium in which a disc is rotatably held in a cartridge such as an MD (mini disc). To a compatible player that can perform

[0002]

2. Description of the Related Art A recording medium in which a disk is rotatably held in a cartridge such as an MD is referred to as a cartridge recording medium. An MD will be described as an example, and a CD will be described as an example of a disk-shaped recording medium. In recent years, MDs in which a disc having a smaller diameter of a CD is built in a cartridge have been developed and used together with the CD. MD is CD
Since the same recording system is used and the same optical pickup can be used for reproduction at the time of reproduction, a reproducing apparatus (compatible player) in which the disk rotation mechanism and the optical pickup are shared by CD and MD has been developed.

FIG. 12 is an explanatory view of a conventional device. Reference numeral 100 denotes a turntable shared by a CD and an MD, and an insertion slot 10.
M with CD103 or MD inserted from 1
The D cartridge 104 is transported directly above the turntable 100 by the transport rollers 102. In the conventional apparatus, since the roller 102 transports both the CD and the MD, as shown by a point A in FIG. 12, even when the MD cartridge 104 is transported immediately above the turntable 100, the roller 102 It was provided at a position distant from the insertion slot 101 so as to be in contact with the MD cartridge 104.

[0004] For this reason, the distance between the insertion opening 101 and the roller 102 becomes long, and it is difficult to make contact with the roller when inserting a CD or MD. Further, in order to facilitate the contact with the roller, the roller 102 is moved as shown by a point B in FIG.
MD cartridge 1 when installed near insertion slot 101
04 cannot be transported directly above the turntable 100.

In Japanese Patent Application Laid-Open No. Hei 7-226554, a CD and an MD are provided with respective insertion openings and inserted, and the inserted CD or MD is placed on a turntable by rollers for CD and MD. They are transported.

[0006]

However, as described in the above-mentioned publication, when the insertion slot for the CD and the MD is provided separately and the transport rollers for the CD and the MD are separately provided, , Two driving sources are required, which increases the cost. In the case of driving with a single drive source, it is necessary to switch the power transmission, which complicates the mechanism and increases the cost. SUMMARY OF THE INVENTION It is an object of the present invention to provide a compatible player in which the operation of transporting a disk is reliable and excellent in cost.

[0007]

According to a first aspect of the present invention, a cartridge for a disk-shaped recording medium or a cartridge of a cartridge recording medium inserted through a convex insertion opening is inserted in the insertion direction. In a compatible player that is transported to a transport completion position immediately above the turntable by a transport mechanism that transports along the turntable, the transport mechanism comprises: a first transport roller provided near the insertion port; A second transporting roller disposed in parallel with the first transporting roller and on the back side in the insertion direction.

According to a second aspect of the present invention, the first transport roller contacts the disk-shaped recording medium transported to the transport completed position but does not abut the cartridge of the cartridge recording medium. The second disk transport roller is provided at a position in contact with both the disk-shaped recording medium and the cartridge of the cartridge recording medium transported to the transport completed position. According to the third aspect of the invention, the second transport roller abuts on a portion of the cartridge of the cartridge recording medium transported to the transport completion position other than where a shutter is formed.

According to a fourth aspect of the present invention, the first and second transport rollers are both disposed on the lower surface side of the cartridge of the disk-shaped recording medium or cartridge recording medium to be inserted. In a fifth aspect of the present invention, a holder for loading a cartridge of a cartridge recording medium transported to the transport completion position by the transport mechanism is provided directly above the turntable.

In the invention of claim 6, a clamper for clamping a disk-shaped recording medium is provided movably around the turntable in cooperation with the turntable, and the turntable is fixed to the holder. The holder is formed with a notch corresponding to the clamp in the upper plate, and the holder opens the bottom plate.

In the invention according to claim 7, when the disc-shaped recording medium is conveyed to the conveyance completion position, the first and second conveying rollers are separated from the disc-shaped recording medium, and the clamper is moved. The disk-shaped recording medium is clamped by being moved. 9. The cartridge recording medium according to claim 8, wherein when the cartridge of the cartridge recording medium is conveyed to the conveyance completion position, the turntable is moved in a direction approaching the holder, and the cartridge recording medium stored in the cartridge of the cartridge recording medium is moved. Attach to media.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. 1 is a front view of a panel according to a first embodiment of the present invention, FIG. 2 is a top view of the first embodiment, FIG. 3 is a front view of the first embodiment when a CD is inserted, and FIG. FIG. 5 is a cross-sectional view of the turntable, and FIG. 6 is an explanatory diagram of the operation of the turntable.

As shown in FIG. 1, the panel 1 includes a CD 2
And a convex insertion slot 4 having an MD insertion slot 4b for inserting the MD cartridge 3 in the center of the CD insertion slot 4a. The bottom 4c of the insertion slot 4 is shared when the CD 2 and the MD cartridge 3 are inserted. In FIG. 2, 5 is a first roller, 6 is a second roller, and the first and second rollers 5 and 6 are rotated at the same speed in the same direction by a driving unit 7 to convey the CD 2 and the MD cartridge 3. I do.

The first roller 5 is provided in the vicinity of the insertion slot 4, and the second roller 6 is provided in parallel with the first roller 5 and at the back in the insertion direction. Further, the first roller 5 and the second roller 6 are brought into contact with the lower surface of the CD 2 or MD cartridge 3 inserted through the insertion slot 4 and conveyed, and the center of the CD 2 or MD cartridge 3 reaches a turntable (not shown). When at the transport completion position, the first roller 5 is provided in contact with only the CD 2, and the second roller 6 is provided in a position in contact with either the CD 2 or the MD cartridge 3.

Reference numeral 3a denotes a shutter provided on the MD cartridge 3, and the second roller 6 includes a shutter 3a.
It is provided at a position where it does not interfere with the opening and closing operations of. The rotating shaft 8a of the first roller 5 and the rotating shaft 8 of the second roller 6
b is pivotally supported by the drive unit 7 and the receiving seat 9, respectively, and pins 7a and 7b provided in the drive unit 7 engage with not-shown inclined slide grooves of the slide plate 10a,
The pins 9a and 9b provided on the receiving seat 9 are
0b and the slide plate 10a
The first and second rollers 5 and 6 move in the vertical direction by moving the first and second rollers 10 and 10b in the front and rear direction.

Reference numeral 11 denotes a holder for loading the MD cartridge 3, and reference numeral 12 denotes a clamper for clamping the CD2. The clamper 12 is attached to the tip of a clamper arm 12a,
The other end of the clamper arm 12a is attached to the arm operating section 12b, and the clamper arm 12a is connected to the arm operating section 12b.
To move the clamper 12 in the direction of the turntable (not shown) (downward).

A notch 11a is formed on the upper surface of the holder 11, and the clamper 12 is connected to the CD2 through the notch 11a.
And the lower surface of the holder 11 is open. 3 and 4, 13 is a turntable, 14 is a motor for rotating the turntable, 15
Is an optical head, and 16 is a motor for moving the optical head in the radial direction of the disk. These motors are provided on a substrate 17, and the substrate 17 is moved up and down by moving the slide plates 18a and 18b in the front-rear direction. Moving.

As shown in FIG. 5, the turntable 13 has a CD mounting surface 13a on which the CD 2 is mounted.
A CD rotating shaft 13b protruding from the mounting surface 13a and aligned with a hole provided at the center of the CD 2 is provided.
A hole provided in the CD 2 is provided on the head of the CD rotation shaft 13b.
A CD centering portion 13c is formed to have an inclined surface so as to be easily aligned with b.

An MD mounting surface 13d on which the MD is mounted is formed on the head of the CD centering portion 13c. The MD rotating shaft 13 protrudes from the MD mounting surface and aligns with the center hole of the MD.
e, an MD centering portion 13f is formed at the head of the MD rotating shaft 13e, and an MD centering portion 13f is formed.
13g is provided on the top plane of the projection 13g so as to fit into a hole provided in the wheel of the MD. Further, magnets 13h and 13i for attracting the MD wheel are provided on the plane at the top of the MD centering portion 13f.

The base 13j of the turntable 13 is provided with a slot 13k parallel to the rotating shaft 14a of the motor 14, and a spring 13m is housed in the slot 13k to push the turntable 13 upward.

Next, the operation when the CD 2 is inserted into the CD insertion slot 4a will be described with reference to FIG. When the CD 2 is inserted into the CD insertion slot 4a, the detecting means (not shown) detects the insertion of the CD, the drive unit 7 operates, the first roller 5 and the second roller 6 rotate, and the inserted CD 2 In the direction of the turntable 13.

As shown in FIG. 3A, when the center of the CD 2 is conveyed to the conveyance completion position substantially coincident with the center of the turntable 13, the detecting means (not shown) detects and detects the operation of the drive unit 7. Then, the rotation of the first roller 5 and the second roller 6 is stopped. When CD2 reaches the transport completion position and the rotation of the first and second rollers is stopped, FIG.
As shown in (B), the slide plates 10a and 10a
b slides, the first roller 5 and the second roller 6
Is moved downward.

When the first roller 5 and the second roller 6 move downward, the CD carried by the rollers
2 also moves down, and CD2 is the CD on the turntable 13.
It is mounted on the mounting surface 13a. Further, the first roller 5 and the second roller 6 move further downward and stop, and the contact with the CD 2 is released. CD2 is C on turntable 13
When mounted on the D mounting surface 13a, the clamper 12 moves downward and clamps the CD2.

When the CD 2 is clamped by the clamper 12, the pressing force of the clamper 12 is weaker than the urging force of the spring 13m of the turntable 13 as shown in FIG. Do not move. When the CD 2 is clamped on the turntable 13, the turntable 13 starts rotating, and the optical head 1
5 starts reading data recorded on CD2.

Next, the operation when the MD cartridge 3 is inserted from the MD insertion slot 4b will be described with reference to FIG. When the MD cartridge 3 is inserted through the MD insertion slot 4b, a detecting unit (not shown) detects the MD cartridge 3 and the driving unit 7 operates, and the first roller 5 and the second roller 6 rotate, so that the inserted MD cartridge 3 In the direction of the turntable 13.

As shown in FIG. 4 (A), when the MD cartridge 3 is loaded in the holder 11, a detecting means (not shown) detects the MD cartridge 3 and stops the operation of the drive unit 7, whereby the first roller 5 and the The rotation of the second roller 6 is stopped. At the transfer completion position where the MD cartridge 3 is loaded in the holder 11, the center of the MD built in the MD cartridge 3 (not shown) substantially coincides with the center of the turntable 13.

When the MD cartridge 3 reaches the transport completion position and the rotation of the first and second rollers is stopped, the MD
The shutter 3a of the cartridge 3 is opened, and FIG.
The slide plate 18 engaged with the substrate 17 as shown in FIG.
a and 18b slide to move the substrate 17 upward. When the substrate 17 moves upward, the turntable 1
3 also moves upward, and the MD (not shown) built in the MD cartridge 3 is the MD mounting surface 1 of the turntable 13.
3d.

When the substrate 17 further moves upward, FIG.
As shown in (B), the MD 3b is pushed up while being placed on the turntable 13, and the contact with the MD cartridge 3 is released. When the substrate 17 further moves upward,
The protrusion 13g of the turntable 13 is the MD cartridge 3
, The MD cartridge 3 is pushed up and abuts the holder 11 to stop the movement.

In this state, when the board 17 moves upward against the urging force of the spring 13m of the turntable 13, the position of the turntable 13 does not change and the board 1 moves.
7, the optical head 15 is raised. Optical head 15
When the distance between the optical head 15 and the MD 3b becomes equal to the distance between the optical head 15 and the CD 2 shown in FIG. That is, the turntable 13 stops in a state where it is pressed down against the spring 13m by a distance X between the CD mounting surface 13a and the MD mounting surface 13d shown in FIG.
The optical head 15 is shared by both the CD and the MD. When the lifting of the substrate 17 is stopped, the turntable 13 is turned off.
Starts rotation, and starts reading data recorded on the MD 3b from the optical head 15.

Next, a second embodiment of the present invention will be described with reference to FIGS. In the first embodiment, as shown in FIG. 1, the CD insertion slot 4a and the MD insertion slot 4b are integrated into one insertion slot 4. However, in the second embodiment, the first and the second insertion slots are separately arranged vertically. The MD insertion slot 4b is provided at a distance corresponding to the diameter of the roller 5 and the second roller 6, and
It is provided away from the center of the D insertion port 4a.

Therefore, as shown in FIG. 8, the holder 11 for holding the MD cartridge 3 has the MD insertion slot 4b.
Is provided at a position corresponding to the
Reproduction is performed at the point A during reproduction and at the point B during MD reproduction. As shown in FIG. 9, the holder 11 has a notch 11a on the upper surface for the second roller 6 to enter and transport the MD cartridge 3, and a circular turn at the center of the bottom for the turntable 13 to enter. The table entrance 11b and the upper surface of the turntable 13 in the moving path direction to prevent the turntable 13 from interfering with the movement between the points A and B described in FIG.
A cutout 11c having a side and a bottom is provided.

Next, referring to FIG.
The operation when the insertion is performed from the insertion opening 4a will be described. CD
2 is inserted into the CD insertion slot 4a, a detecting means (not shown) detects that the first roller 5 and the second roller 6
D2 rotates so as to be conveyed in the depth direction. When detecting means (not shown) detects that the CD 2 has been transported and has reached the transport completion position, the rotation of the first roller 5 and the second roller 6 is stopped.

When the detection means detects that the CD 2 has been inserted into the CD insertion slot 4a, the turntable 1
If the position 3 is not located at the point A, which is the position for CD reproduction described with reference to FIG. 8, the movement of the turntable 13 is started and stopped when the position reaches the point A, as shown in FIG. Then, the loading operation of the CD is completed. FIG. 10 (A)
Upon completion of the loading operation shown by, the reproduction operation shown in FIG. 10B starts.

That is, the turntable 13 rises to place the CD2 on the CD loading surface 13a of the turntable 13, and then the clamper 12 descends to clamp the CD2. When the CD2 is clamped, the turntable 13 starts rotating, and starts reading data recorded on the CD2.

Next, an operation when the MD cartridge 3 is inserted from the MD insertion slot 4b will be described with reference to FIG. When detecting means (not shown) detects that the MD cartridge 3 has been inserted into the MD insertion slot 4b, the first roller 5 and the second roller 6 start rotating in the direction opposite to the direction in which the CD is transported, and the MD cartridge 3 is rotated. 3 in the depth direction.

The MD cartridge 3 is transported and the holder 1
When the sheet reaches the conveyance completion position by contacting the first roller 1, the detection means (not shown) detects the rotation and stops the rotation of the first roller 5 and the second roller 6. When detecting that the MD cartridge 3 has been inserted into the MD insertion slot 4b, the turntable 1
If the position 3 is not located at the point B which is the position for CD reproduction described in FIG. 8, the movement of the turntable 13 is started, and when the position 3 is reached, the turntable 13 is stopped, and as shown in FIG. Then, the loading operation of the MD cartridge is completed.

When the loading operation shown in FIG. 11A is completed, the reproducing operation shown in FIG. 11B starts. That is, the turntable 13 is raised, and the MD stored in the MD cartridge 3 is moved to the MD of the turntable 13.
It is mounted on the mounting surface 13d, and further, FIG. 6B of the first embodiment.
As described above, when the turntable 13 rises and the distance between the optical head 15 and the MD 3b becomes equal to the distance between the optical head 15 and the CD 2, the rise is stopped.

Subsequently, the turntable 13 starts rotating, and the optical head 15 starts reading data recorded on the MD 3b.

[0039]

As described above, the disc-shaped recording medium or the cartridge recording medium inserted from the insertion slot is connected to the first transport roller provided near the insertion slot,
Since it is made to convey by the 2nd conveyance roller arranged in parallel with the 1st conveyance roller and the insertion direction back side,
The operation of transporting the cartridge of the disk or the cartridge recording medium is reliable and the cost is excellent.

[Brief description of the drawings]

FIG. 1 is a front view of a panel according to a first embodiment of the present invention.

FIG. 2 is a top view of the first embodiment.

FIG. 3 is a front view of the first embodiment when a CD is inserted.

FIG. 4 is a front view when the MD is inserted in the first embodiment.

FIG. 5 is a sectional view of a turntable.

FIG. 6 is an explanatory diagram of an operation of the turntable.

FIG. 7 is a front view of a panel according to a second embodiment of the present invention.

FIG. 8 is a top view of the second embodiment.

FIG. 9 is a perspective view of a holder.

FIG. 10 is a front view of the second embodiment when a CD is inserted.

FIG. 11 is a front view when the MD is inserted in the second embodiment.

FIG. 12 is an explanatory diagram of a conventional example.

[Explanation of symbols]

 2 CD 3 MD cartridge 3a Shutter 3b MD4 slot 4a CD slot 4b MD slot 5 First roller 6 Second roller 10a, 10b, 18a, 18b Slide plate 11 Holder 11a Missing portion 12 Clamper 13 Turntable 15 Optical head 17 Substrate

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Takashi Sato 25-1, Nishimachi, Yamada-shi, Kawagoe-shi, Saitama Prefecture Pioneer Corporation Kawagoe Factory F-term (reference) 5D046 AA12 AA16 BA01 CB03 EA04 EA06 EB02 HA01 HA10 HA10 HA10

Claims (8)

[Claims] 1. A transport mechanism for transporting a disk-shaped recording medium or a cartridge of a cartridge recording medium inserted from a convex insertion opening in a direction of the insertion to a transport completion position immediately above a turntable, and In the compatible player to be mounted on the first transfer roller, the transfer mechanism includes a first transfer roller provided in the vicinity of the insertion port, and a second transfer roller provided in parallel with the first transfer roller and on the back side in the insertion direction. A compatible player having a transport roller. 2. The first transporting roller is provided at a position where the first transporting roller abuts on a disk-shaped recording medium transported to the transport completion position but does not abut on a cartridge of a cartridge recording medium. 2. The compatible player according to claim 1, wherein the second disk transport roller is provided at a position in contact with both the disk-shaped recording medium and the cartridge of the cartridge recording medium transported to the transport completed position. . 3. The cartridge according to claim 2, wherein the second transport roller contacts a portion of the cartridge of the cartridge recording medium transported to the transport completion position other than where a shutter is formed. 2. The compatible player according to 2. 4. The recording medium according to claim 1, wherein said first and second transport rollers are both arranged on the lower surface side of a cartridge of a disk-shaped recording medium or a cartridge recording medium to be inserted. 3. The compatible player according to 3. 5. A holder on which a cartridge of a cartridge recording medium conveyed to the conveyance completion position by the conveyance mechanism is provided immediately above the turntable. 3 or 4
Compatible player as described. 6. A clamper for clamping a disk-shaped recording medium in cooperation with the turntable is provided immediately above and around the turntable, and the turntable moves in a direction approaching the holder. 6. The compatible player according to claim 5, wherein the holder has a notch corresponding to the clamp formed on an upper plate, and a bottom plate is opened. 7. When the disc-shaped recording medium is conveyed to the conveyance completion position, the first and second conveyance rollers are separated from the disc-shaped recording medium, and the clamper is moved to move the disc-shaped recording medium. 7. The compatible player according to claim 6, wherein the recording medium is clamped. 8. When the cartridge of the cartridge recording medium is conveyed to the conveyance completion position, the turntable is moved in a direction approaching the holder, and the cartridge recording medium contained in the cartridge of the cartridge recording medium is moved. 8. The compatible player according to claim 6, wherein the compatible player is mounted on the player.